Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Huntsville, Alabama, United States Historical Air Quality Analysis

Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!

Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

August Air Quality Analysis

Huntsville, Alabama, United States

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
2nd Aug 2021
95AQI
Lowest AQI recorded on
31st Aug 2021
20AQI

Same Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 27 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 5th Aug - 6th Aug 2025

Huntsville, Alabama, United States

AQI
Day
Night
.

5 AM5th Aug 2025

7 PM

4 AM6th Aug 2025

Day time
Avg. Highest Time
4PM5th Aug

40AQI

Avg. Lowest Time
2PM5th Aug

33AQI

Night time
Avg. Highest Time
4AM6th Aug

41AQI

Avg. Lowest Time
10PM5th Aug

35AQI

In the last 24 hours,

Huntsville's AQI reached its highest point of 41 at 4 AM during the Night, while the lowest point, 33, was recorded at 2 PM during the Day between 5th Aug and 6th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Huntsville, Alabama, United States

JulAug
07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th
Day
Night
7th Jul 2025465 AMAQI
7th Jul 2025476 AMAQI
7th Jul 2025487 AMAQI
7th Jul 2025488 AMAQI
7th Jul 2025509 AMAQI
7th Jul 20255010 AMAQI
7th Jul 20255011 AMAQI
7th Jul 20254912 PMAQI
7th Jul 2025491 PMAQI
7th Jul 2025482 PMAQI
7th Jul 2025493 PMAQI
7th Jul 2025504 PMAQI
7th Jul 2025505 PMAQI
7th Jul 2025496 PMAQI
7th Jul 2025487 PMAQI
7th Jul 2025488 PMAQI
7th Jul 2025479 PMAQI
7th Jul 20254710 PMAQI
7th Jul 20254811 PMAQI
8th Jul 20254612 AMAQI
8th Jul 2025461 AMAQI
8th Jul 2025422 AMAQI
8th Jul 2025443 AMAQI
8th Jul 2025454 AMAQI

28°C20/34°C

8th Jul 2025465 AMAQI
8th Jul 2025476 AMAQI
8th Jul 2025477 AMAQI
8th Jul 2025478 AMAQI
8th Jul 2025489 AMAQI
8th Jul 20254710 AMAQI
8th Jul 20254811 AMAQI
8th Jul 20254712 PMAQI
8th Jul 2025481 PMAQI
8th Jul 2025482 PMAQI
8th Jul 2025483 PMAQI
8th Jul 2025484 PMAQI
8th Jul 2025495 PMAQI
8th Jul 2025476 PMAQI
8th Jul 2025477 PMAQI
8th Jul 2025468 PMAQI
8th Jul 2025439 PMAQI
8th Jul 20254410 PMAQI
8th Jul 20254411 PMAQI
9th Jul 20254412 AMAQI
9th Jul 2025431 AMAQI
9th Jul 2025372 AMAQI
9th Jul 2025373 AMAQI
9th Jul 2025364 AMAQI

28°C22/36°C

9th Jul 2025385 AMAQI
9th Jul 2025396 AMAQI
9th Jul 2025397 AMAQI
9th Jul 2025408 AMAQI
9th Jul 2025429 AMAQI
9th Jul 20254410 AMAQI
9th Jul 20254411 AMAQI
9th Jul 20254212 PMAQI
9th Jul 2025431 PMAQI
9th Jul 2025442 PMAQI
9th Jul 2025463 PMAQI
9th Jul 2025474 PMAQI
9th Jul 2025455 PMAQI
9th Jul 2025446 PMAQI
9th Jul 2025437 PMAQI
9th Jul 2025428 PMAQI
9th Jul 2025389 PMAQI
9th Jul 20253810 PMAQI
9th Jul 20253911 PMAQI
10th Jul 20253812 AMAQI
10th Jul 2025381 AMAQI
10th Jul 2025342 AMAQI
10th Jul 2025343 AMAQI
10th Jul 2025354 AMAQI

26°C21/35°C

10th Jul 2025345 AMAQI
10th Jul 2025366 AMAQI
10th Jul 2025347 AMAQI
10th Jul 2025338 AMAQI
10th Jul 2025339 AMAQI
10th Jul 20253210 AMAQI
10th Jul 20253311 AMAQI
10th Jul 20253312 PMAQI
10th Jul 2025361 PMAQI
10th Jul 2025392 PMAQI
10th Jul 2025383 PMAQI
10th Jul 2025394 PMAQI
10th Jul 2025375 PMAQI
10th Jul 2025376 PMAQI
10th Jul 2025347 PMAQI
10th Jul 2025358 PMAQI
10th Jul 2025339 PMAQI
10th Jul 20253410 PMAQI
10th Jul 20253311 PMAQI
11th Jul 20253312 AMAQI
11th Jul 2025331 AMAQI
11th Jul 2025312 AMAQI
11th Jul 2025333 AMAQI
11th Jul 2025364 AMAQI

26°C23/30°C

11th Jul 2025365 AMAQI
11th Jul 2025356 AMAQI
11th Jul 2025357 AMAQI
11th Jul 2025358 AMAQI
11th Jul 2025359 AMAQI
11th Jul 20253510 AMAQI
11th Jul 20253511 AMAQI
11th Jul 20253612 PMAQI
11th Jul 2025371 PMAQI
11th Jul 2025362 PMAQI
11th Jul 2025383 PMAQI
11th Jul 2025374 PMAQI
11th Jul 2025365 PMAQI
11th Jul 2025366 PMAQI
11th Jul 2025357 PMAQI
11th Jul 2025368 PMAQI
11th Jul 2025359 PMAQI
11th Jul 20253410 PMAQI
11th Jul 20253611 PMAQI
12th Jul 20253712 AMAQI
12th Jul 2025391 AMAQI
12th Jul 2025412 AMAQI
12th Jul 2025383 AMAQI
12th Jul 2025404 AMAQI

26°C21/33°C

12th Jul 2025425 AMAQI
12th Jul 2025406 AMAQI
12th Jul 2025407 AMAQI
12th Jul 2025418 AMAQI
12th Jul 2025399 AMAQI
12th Jul 20254110 AMAQI
12th Jul 20254311 AMAQI
12th Jul 20254412 PMAQI
12th Jul 2025461 PMAQI
12th Jul 2025472 PMAQI
12th Jul 2025453 PMAQI
12th Jul 2025474 PMAQI
12th Jul 2025475 PMAQI
12th Jul 2025466 PMAQI
12th Jul 2025447 PMAQI
12th Jul 2025448 PMAQI
12th Jul 2025489 PMAQI
12th Jul 20254810 PMAQI
12th Jul 20254911 PMAQI
13th Jul 20254812 AMAQI
13th Jul 2025491 AMAQI
13th Jul 2025502 AMAQI
13th Jul 2025493 AMAQI
13th Jul 2025484 AMAQI

27°C22/33°C

13th Jul 2025495 AMAQI
13th Jul 2025476 AMAQI
13th Jul 2025497 AMAQI
13th Jul 2025488 AMAQI
13th Jul 2025479 AMAQI
13th Jul 20254410 AMAQI
13th Jul 20254311 AMAQI
13th Jul 20254312 PMAQI
13th Jul 2025441 PMAQI
13th Jul 2025452 PMAQI
13th Jul 2025473 PMAQI
13th Jul 2025484 PMAQI
13th Jul 2025495 PMAQI
13th Jul 2025506 PMAQI
13th Jul 2025517 PMAQI
13th Jul 2025468 PMAQI
13th Jul 2025419 PMAQI
13th Jul 20254010 PMAQI
13th Jul 20254111 PMAQI
14th Jul 20254012 AMAQI
14th Jul 2025391 AMAQI
14th Jul 2025332 AMAQI
14th Jul 2025333 AMAQI
14th Jul 2025334 AMAQI

27°C21/33°C

14th Jul 2025335 AMAQI
14th Jul 2025336 AMAQI
14th Jul 2025357 AMAQI
14th Jul 2025368 AMAQI
14th Jul 2025379 AMAQI
14th Jul 20253710 AMAQI
14th Jul 20253711 AMAQI
14th Jul 20253912 PMAQI
14th Jul 2025411 PMAQI
14th Jul 2025422 PMAQI
14th Jul 2025413 PMAQI
14th Jul 2025414 PMAQI
14th Jul 2025405 PMAQI
14th Jul 2025406 PMAQI
14th Jul 2025387 PMAQI
14th Jul 2025388 PMAQI
14th Jul 2025389 PMAQI
14th Jul 20253910 PMAQI
14th Jul 20253811 PMAQI
15th Jul 20253812 AMAQI
15th Jul 2025381 AMAQI
15th Jul 2025392 AMAQI
15th Jul 2025433 AMAQI
15th Jul 2025444 AMAQI

27°C21/34°C

15th Jul 2025425 AMAQI
15th Jul 2025456 AMAQI
15th Jul 2025487 AMAQI
15th Jul 2025508 AMAQI
15th Jul 2025519 AMAQI
15th Jul 20255210 AMAQI
15th Jul 20254611 AMAQI
15th Jul 20254612 PMAQI
15th Jul 2025451 PMAQI
15th Jul 2025452 PMAQI
15th Jul 2025453 PMAQI
15th Jul 2025454 PMAQI
15th Jul 2025465 PMAQI
15th Jul 2025466 PMAQI
15th Jul 2025457 PMAQI
15th Jul 2025468 PMAQI
15th Jul 2025459 PMAQI
15th Jul 20254410 PMAQI
15th Jul 20254511 PMAQI
16th Jul 20254412 AMAQI
16th Jul 2025451 AMAQI
16th Jul 2025452 AMAQI
16th Jul 2025453 AMAQI
16th Jul 2025484 AMAQI

28°C21/36°C

16th Jul 2025505 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025537 AMAQI
16th Jul 2025558 AMAQI
16th Jul 2025529 AMAQI
16th Jul 20255010 AMAQI
16th Jul 20255011 AMAQI
16th Jul 20254712 PMAQI
16th Jul 2025481 PMAQI
16th Jul 2025452 PMAQI
16th Jul 2025473 PMAQI
16th Jul 2025484 PMAQI
16th Jul 2025465 PMAQI
16th Jul 2025486 PMAQI
16th Jul 2025487 PMAQI
16th Jul 2025488 PMAQI
16th Jul 2025479 PMAQI
16th Jul 20254810 PMAQI
16th Jul 20254611 PMAQI
17th Jul 20254512 AMAQI
17th Jul 2025441 AMAQI
17th Jul 2025412 AMAQI
17th Jul 2025423 AMAQI
17th Jul 2025414 AMAQI

29°C23/35°C

17th Jul 2025425 AMAQI
17th Jul 2025426 AMAQI
17th Jul 2025447 AMAQI
17th Jul 2025418 AMAQI
17th Jul 2025429 AMAQI
17th Jul 20254010 AMAQI
17th Jul 20254011 AMAQI
17th Jul 20254112 PMAQI
17th Jul 2025421 PMAQI
17th Jul 2025402 PMAQI
17th Jul 2025383 PMAQI
17th Jul 2025384 PMAQI
17th Jul 2025375 PMAQI
17th Jul 2025366 PMAQI
17th Jul 2025377 PMAQI
17th Jul 2025378 PMAQI
17th Jul 2025389 PMAQI
17th Jul 20253810 PMAQI
17th Jul 20253211 PMAQI
18th Jul 20253312 AMAQI
18th Jul 2025301 AMAQI
18th Jul 2025222 AMAQI
18th Jul 2025203 AMAQI
18th Jul 2025214 AMAQI

30°C23/36°C

18th Jul 2025215 AMAQI
18th Jul 2025226 AMAQI
18th Jul 2025227 AMAQI
18th Jul 2025248 AMAQI
18th Jul 2025249 AMAQI
18th Jul 20252410 AMAQI
18th Jul 20252411 AMAQI
18th Jul 20252512 PMAQI
18th Jul 2025261 PMAQI
18th Jul 2025272 PMAQI
18th Jul 2025273 PMAQI
18th Jul 2025274 PMAQI
18th Jul 2025285 PMAQI
18th Jul 2025286 PMAQI
18th Jul 2025297 PMAQI
18th Jul 2025298 PMAQI
18th Jul 2025269 PMAQI
18th Jul 20252610 PMAQI
18th Jul 20252911 PMAQI
19th Jul 20252912 AMAQI
19th Jul 2025281 AMAQI
19th Jul 2025272 AMAQI
19th Jul 2025293 AMAQI
19th Jul 2025324 AMAQI

27°C24/32°C

19th Jul 2025325 AMAQI
19th Jul 2025326 AMAQI
19th Jul 2025327 AMAQI
19th Jul 2025308 AMAQI
19th Jul 2025309 AMAQI
19th Jul 20252910 AMAQI
19th Jul 20252911 AMAQI
19th Jul 20253112 PMAQI
19th Jul 2025321 PMAQI
19th Jul 2025322 PMAQI
19th Jul 2025323 PMAQI
19th Jul 2025324 PMAQI
19th Jul 2025325 PMAQI
19th Jul 2025326 PMAQI
19th Jul 2025307 PMAQI
19th Jul 2025298 PMAQI
19th Jul 2025319 PMAQI
19th Jul 20253410 PMAQI
19th Jul 20253211 PMAQI
20th Jul 20253412 AMAQI
20th Jul 2025341 AMAQI
20th Jul 2025332 AMAQI
20th Jul 2025353 AMAQI
20th Jul 2025364 AMAQI

27°C23/31°C

20th Jul 2025345 AMAQI
20th Jul 2025366 AMAQI
20th Jul 2025367 AMAQI
20th Jul 2025378 AMAQI
20th Jul 2025349 AMAQI
20th Jul 20253510 AMAQI
20th Jul 20253511 AMAQI
20th Jul 20253412 PMAQI
20th Jul 2025351 PMAQI
20th Jul 2025362 PMAQI
20th Jul 2025373 PMAQI
20th Jul 2025384 PMAQI
20th Jul 2025395 PMAQI
20th Jul 2025386 PMAQI
20th Jul 2025397 PMAQI
20th Jul 2025388 PMAQI
20th Jul 2025349 PMAQI
20th Jul 20253410 PMAQI
20th Jul 20253511 PMAQI
21st Jul 20253612 AMAQI
21st Jul 2025371 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025393 AMAQI
21st Jul 2025364 AMAQI

27°C23/32°C

21st Jul 2025365 AMAQI
21st Jul 2025376 AMAQI
21st Jul 2025377 AMAQI
21st Jul 2025378 AMAQI
21st Jul 2025409 AMAQI
21st Jul 20254210 AMAQI
21st Jul 20254011 AMAQI
21st Jul 20253912 PMAQI
21st Jul 2025381 PMAQI
21st Jul 2025392 PMAQI
21st Jul 2025403 PMAQI
21st Jul 2025414 PMAQI
21st Jul 2025405 PMAQI
21st Jul 2025386 PMAQI
21st Jul 2025387 PMAQI
21st Jul 2025388 PMAQI
21st Jul 2025409 PMAQI
21st Jul 20254010 PMAQI
21st Jul 20253811 PMAQI
22nd Jul 20253712 AMAQI
22nd Jul 2025351 AMAQI
22nd Jul 2025312 AMAQI
22nd Jul 2025283 AMAQI
22nd Jul 2025304 AMAQI

29°C24/36°C

22nd Jul 2025315 AMAQI
22nd Jul 2025346 AMAQI
22nd Jul 2025317 AMAQI
22nd Jul 2025338 AMAQI
22nd Jul 2025369 AMAQI
22nd Jul 20253710 AMAQI
22nd Jul 20253711 AMAQI
22nd Jul 20254012 PMAQI
22nd Jul 2025371 PMAQI
22nd Jul 2025362 PMAQI
22nd Jul 2025373 PMAQI
22nd Jul 2025374 PMAQI
22nd Jul 2025385 PMAQI
22nd Jul 2025376 PMAQI
22nd Jul 2025347 PMAQI
22nd Jul 2025338 PMAQI
22nd Jul 2025319 PMAQI
22nd Jul 20253210 PMAQI
22nd Jul 20253111 PMAQI
23rd Jul 20253212 AMAQI
23rd Jul 2025321 AMAQI
23rd Jul 2025282 AMAQI
23rd Jul 2025303 AMAQI
23rd Jul 2025294 AMAQI

30°C24/37°C

23rd Jul 2025305 AMAQI
23rd Jul 2025306 AMAQI
23rd Jul 2025337 AMAQI
23rd Jul 2025318 AMAQI
23rd Jul 2025309 AMAQI
23rd Jul 20253010 AMAQI
23rd Jul 20253211 AMAQI
23rd Jul 20253212 PMAQI
23rd Jul 2025321 PMAQI
23rd Jul 2025342 PMAQI
23rd Jul 2025343 PMAQI
23rd Jul 2025344 PMAQI
23rd Jul 2025345 PMAQI
23rd Jul 2025346 PMAQI
23rd Jul 2025337 PMAQI
23rd Jul 2025338 PMAQI
23rd Jul 2025339 PMAQI
23rd Jul 20253410 PMAQI
23rd Jul 20253511 PMAQI
24th Jul 20253512 AMAQI
24th Jul 2025361 AMAQI
24th Jul 2025372 AMAQI
24th Jul 2025393 AMAQI
24th Jul 2025394 AMAQI

28°C23/35°C

24th Jul 2025405 AMAQI
24th Jul 2025396 AMAQI
24th Jul 2025407 AMAQI
24th Jul 2025418 AMAQI
24th Jul 2025429 AMAQI
24th Jul 20254310 AMAQI
24th Jul 20254411 AMAQI
24th Jul 20254312 PMAQI
24th Jul 2025461 PMAQI
24th Jul 2025462 PMAQI
24th Jul 2025443 PMAQI
24th Jul 2025444 PMAQI
24th Jul 2025455 PMAQI
24th Jul 2025446 PMAQI
24th Jul 2025457 PMAQI
24th Jul 2025468 PMAQI
24th Jul 2025439 PMAQI
24th Jul 20254210 PMAQI
24th Jul 20254211 PMAQI
25th Jul 20254212 AMAQI
25th Jul 2025401 AMAQI
25th Jul 2025332 AMAQI
25th Jul 2025313 AMAQI
25th Jul 2025304 AMAQI

29°C23/36°C

25th Jul 2025285 AMAQI
25th Jul 2025286 AMAQI
25th Jul 2025297 AMAQI
25th Jul 2025308 AMAQI
25th Jul 2025309 AMAQI
25th Jul 20253010 AMAQI
25th Jul 20252911 AMAQI
25th Jul 20252812 PMAQI
25th Jul 2025301 PMAQI
25th Jul 2025352 PMAQI
25th Jul 2025403 PMAQI
25th Jul 2025374 PMAQI
25th Jul 2025325 PMAQI
25th Jul 2025336 PMAQI
25th Jul 2025357 PMAQI
25th Jul 2025388 PMAQI
25th Jul 2025329 PMAQI
25th Jul 20253110 PMAQI
25th Jul 20253211 PMAQI
26th Jul 20253212 AMAQI
26th Jul 2025311 AMAQI
26th Jul 2025342 AMAQI
26th Jul 2025373 AMAQI
26th Jul 2025384 AMAQI

29°C24/35°C

26th Jul 2025355 AMAQI
26th Jul 2025386 AMAQI
26th Jul 2025377 AMAQI
26th Jul 2025378 AMAQI
26th Jul 2025399 AMAQI
26th Jul 20253910 AMAQI
26th Jul 20254011 AMAQI
26th Jul 20254412 PMAQI
26th Jul 2025441 PMAQI
26th Jul 2025452 PMAQI
26th Jul 2025423 PMAQI
26th Jul 2025414 PMAQI
26th Jul 2025395 PMAQI
26th Jul 2025386 PMAQI
26th Jul 2025367 PMAQI
26th Jul 2025368 PMAQI
26th Jul 2025369 PMAQI
26th Jul 20253610 PMAQI
26th Jul 20253711 PMAQI
27th Jul 20253812 AMAQI
27th Jul 2025361 AMAQI
27th Jul 2025312 AMAQI
27th Jul 2025303 AMAQI
27th Jul 2025294 AMAQI

27°C23/33°C

27th Jul 2025285 AMAQI
27th Jul 2025296 AMAQI
27th Jul 2025307 AMAQI
27th Jul 2025288 AMAQI
27th Jul 2025299 AMAQI
27th Jul 20252710 AMAQI
27th Jul 20252711 AMAQI
27th Jul 20252712 PMAQI
27th Jul 2025271 PMAQI
27th Jul 2025292 PMAQI
27th Jul 2025333 PMAQI
27th Jul 2025334 PMAQI
27th Jul 2025345 PMAQI
27th Jul 2025326 PMAQI
27th Jul 2025337 PMAQI
27th Jul 2025328 PMAQI
27th Jul 2025329 PMAQI
27th Jul 20253210 PMAQI
27th Jul 20253411 PMAQI
28th Jul 20253412 AMAQI
28th Jul 2025331 AMAQI
28th Jul 2025352 AMAQI
28th Jul 2025363 AMAQI
28th Jul 2025374 AMAQI

29°C22/35°C

28th Jul 2025365 AMAQI
28th Jul 2025366 AMAQI
28th Jul 2025377 AMAQI
28th Jul 2025418 AMAQI
28th Jul 2025499 AMAQI
28th Jul 20254810 AMAQI
28th Jul 20255611 AMAQI
28th Jul 20254312 PMAQI
28th Jul 2025421 PMAQI
28th Jul 2025402 PMAQI
28th Jul 2025413 PMAQI
28th Jul 2025414 PMAQI
28th Jul 2025415 PMAQI
28th Jul 2025416 PMAQI
28th Jul 2025407 PMAQI
28th Jul 2025418 PMAQI
28th Jul 2025429 PMAQI
28th Jul 20254210 PMAQI
28th Jul 20254111 PMAQI
29th Jul 20254112 AMAQI
29th Jul 2025401 AMAQI
29th Jul 2025342 AMAQI
29th Jul 2025343 AMAQI
29th Jul 2025344 AMAQI

29°C23/35°C

29th Jul 2025335 AMAQI
29th Jul 2025336 AMAQI
29th Jul 2025357 AMAQI
29th Jul 2025368 AMAQI
29th Jul 2025369 AMAQI
29th Jul 20253910 AMAQI
29th Jul 20254111 AMAQI
29th Jul 20254412 PMAQI
29th Jul 2025441 PMAQI
29th Jul 2025462 PMAQI
29th Jul 2025483 PMAQI
29th Jul 2025454 PMAQI
29th Jul 2025425 PMAQI
29th Jul 2025426 PMAQI
29th Jul 2025417 PMAQI
29th Jul 2025418 PMAQI
29th Jul 2025429 PMAQI
29th Jul 20254110 PMAQI
29th Jul 20254211 PMAQI
30th Jul 20254312 AMAQI
30th Jul 2025451 AMAQI
30th Jul 2025482 AMAQI
30th Jul 2025453 AMAQI
30th Jul 2025494 AMAQI

29°C24/37°C

30th Jul 2025485 AMAQI
30th Jul 2025506 AMAQI
30th Jul 2025507 AMAQI
30th Jul 2025488 AMAQI
30th Jul 2025499 AMAQI
30th Jul 20254910 AMAQI
30th Jul 20254911 AMAQI
30th Jul 20255312 PMAQI
30th Jul 2025511 PMAQI
30th Jul 2025532 PMAQI
30th Jul 2025533 PMAQI
30th Jul 2025524 PMAQI
30th Jul 2025525 PMAQI
30th Jul 2025516 PMAQI
30th Jul 2025527 PMAQI
30th Jul 2025528 PMAQI
30th Jul 2025489 PMAQI
30th Jul 20254910 PMAQI
30th Jul 20254911 PMAQI
31st Jul 20254912 AMAQI
31st Jul 2025481 AMAQI
31st Jul 2025482 AMAQI
31st Jul 2025513 AMAQI
31st Jul 2025524 AMAQI

28°C24/33°C

31st Jul 2025505 AMAQI
31st Jul 2025526 AMAQI
31st Jul 2025537 AMAQI
31st Jul 2025648 AMAQI
31st Jul 2025769 AMAQI
31st Jul 20256810 AMAQI
31st Jul 20256211 AMAQI
31st Jul 20256112 PMAQI
31st Jul 2025611 PMAQI
31st Jul 2025602 PMAQI
31st Jul 2025633 PMAQI
31st Jul 2025604 PMAQI
31st Jul 2025595 PMAQI
31st Jul 2025566 PMAQI
31st Jul 2025537 PMAQI
31st Jul 2025508 PMAQI
31st Jul 2025729 PMAQI
31st Jul 20255910 PMAQI
31st Jul 20254511 PMAQI
1st Aug 20254312 AMAQI
1st Aug 2025431 AMAQI
1st Aug 2025492 AMAQI
1st Aug 2025523 AMAQI
1st Aug 2025414 AMAQI

30°C23/37°C

1st Aug 2025425 AMAQI
1st Aug 2025406 AMAQI
1st Aug 2025417 AMAQI
1st Aug 2025438 AMAQI
1st Aug 2025479 AMAQI
1st Aug 20254310 AMAQI
1st Aug 20254511 AMAQI
1st Aug 20254612 PMAQI
1st Aug 2025461 PMAQI
1st Aug 2025472 PMAQI
1st Aug 2025493 PMAQI
1st Aug 2025514 PMAQI
1st Aug 2025505 PMAQI
1st Aug 2025476 PMAQI
1st Aug 2025447 PMAQI
1st Aug 2025428 PMAQI
1st Aug 2025419 PMAQI
1st Aug 20254110 PMAQI
1st Aug 20253811 PMAQI
2nd Aug 20254212 AMAQI
2nd Aug 2025451 AMAQI
2nd Aug 2025482 AMAQI
2nd Aug 2025493 AMAQI
2nd Aug 2025514 AMAQI

26°C23/31°C

2nd Aug 2025495 AMAQI
2nd Aug 2025556 AMAQI
2nd Aug 2025547 AMAQI
2nd Aug 2025528 AMAQI
2nd Aug 2025549 AMAQI
2nd Aug 20255310 AMAQI
2nd Aug 20255311 AMAQI
2nd Aug 20255612 PMAQI
2nd Aug 2025581 PMAQI
2nd Aug 2025622 PMAQI
2nd Aug 2025663 PMAQI
2nd Aug 2025664 PMAQI
2nd Aug 2025665 PMAQI
2nd Aug 2025686 PMAQI
2nd Aug 2025657 PMAQI
2nd Aug 2025628 PMAQI
2nd Aug 2025539 PMAQI
2nd Aug 20255410 PMAQI
2nd Aug 20255811 PMAQI
3rd Aug 20255512 AMAQI
3rd Aug 2025591 AMAQI
3rd Aug 2025572 AMAQI
3rd Aug 2025633 AMAQI
3rd Aug 2025554 AMAQI

24°C21/29°C

3rd Aug 2025495 AMAQI
3rd Aug 2025506 AMAQI
3rd Aug 2025537 AMAQI
3rd Aug 2025508 AMAQI
3rd Aug 2025519 AMAQI
3rd Aug 20254910 AMAQI
3rd Aug 20254911 AMAQI
3rd Aug 20254712 PMAQI
3rd Aug 2025471 PMAQI
3rd Aug 2025512 PMAQI
3rd Aug 2025503 PMAQI
3rd Aug 2025494 PMAQI
3rd Aug 2025525 PMAQI
3rd Aug 2025536 PMAQI
3rd Aug 2025577 PMAQI
3rd Aug 2025558 PMAQI
3rd Aug 2025569 PMAQI
3rd Aug 20256310 PMAQI
3rd Aug 20256711 PMAQI
4th Aug 20256512 AMAQI
4th Aug 2025611 AMAQI
4th Aug 2025592 AMAQI
4th Aug 2025573 AMAQI
4th Aug 2025554 AMAQI

22°C20/24°C

4th Aug 2025565 AMAQI
4th Aug 2025586 AMAQI
4th Aug 2025557 AMAQI
4th Aug 2025528 AMAQI
4th Aug 2025529 AMAQI
4th Aug 20255410 AMAQI
4th Aug 20255311 AMAQI
4th Aug 20255212 PMAQI
4th Aug 2025621 PMAQI
4th Aug 2025602 PMAQI
4th Aug 2025603 PMAQI
4th Aug 2025614 PMAQI
4th Aug 2025565 PMAQI
4th Aug 2025546 PMAQI
4th Aug 2025527 PMAQI
4th Aug 2025488 PMAQI
4th Aug 2025509 PMAQI
4th Aug 20255010 PMAQI
4th Aug 20254411 PMAQI
5th Aug 20254212 AMAQI
5th Aug 2025481 AMAQI
5th Aug 2025442 AMAQI
5th Aug 2025413 AMAQI
5th Aug 2025384 AMAQI

23°C19/28°C

5th Aug 2025385 AMAQI
5th Aug 2025366 AMAQI
5th Aug 2025367 AMAQI
5th Aug 2025358 AMAQI
5th Aug 2025379 AMAQI
5th Aug 20253510 AMAQI
5th Aug 20253411 AMAQI
5th Aug 20253412 PMAQI
5th Aug 2025331 PMAQI
5th Aug 2025332 PMAQI
5th Aug 2025373 PMAQI
5th Aug 2025404 PMAQI
5th Aug 2025375 PMAQI
5th Aug 2025376 PMAQI
5th Aug 2025377 PMAQI
5th Aug 2025358 PMAQI
5th Aug 2025389 PMAQI
5th Aug 20253510 PMAQI
5th Aug 20253611 PMAQI
6th Aug 20253612 AMAQI
6th Aug 2025381 AMAQI
6th Aug 2025382 AMAQI
6th Aug 2025403 AMAQI
6th Aug 2025414 AMAQI

23°C19/28°C

6th Aug 2025415 AMAQI
5 AM
6th Aug 2025416 AMAQI
6th Aug 2025397 AMAQI
6th Aug 2025388 AMAQI
6th Aug 2025369 AMAQI
6th Aug 20253410 AMAQI
6th Aug 20253211 AMAQI
6th Aug 20253612 PMAQI
12 PM
6th Aug 2025371 PMAQI
6th Aug 2025392 PMAQI
6th Aug 2025413 PMAQI
6th Aug 2025444 PMAQI
6th Aug 2025465 PMAQI
6th Aug 2025816 PMAQI
6th Aug 2025687 PMAQI
7 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 7 PM

42AQI

15 hours / Day
450 hours / Month
Avg. Lowest Time
5 AM - 7 PM

42AQI

15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 PM (Avg. 42), while the lowest AQI was between 5 AM to 7 PM (Avg. 42).
Night time
Avg. Highest Time
12 AM - 11 PM

41AQI

9 hours / Day
270 hours / Month
Avg. Lowest Time
2 AM - 11 PM

40AQI

7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 41), while the lowest AQI was between 2 AM to 11 PM (Avg. 40).

2025 Days Vs Air Quality

Huntsville, Alabama, United States

2025

89%

193

11%

24

Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)

Good
193 Days
Moderate
24 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 89%

Health Risk Level:

Low

In 2025, 89% of 218 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.

Annual Air Quality Insights

Huntsville, Alabama, United States

AQI levels in 2025

AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

1st January 2025
25AQI
2nd January 2025
30AQI
3rd January 2025
31AQI
4th January 2025
23AQI
5th January 2025
21AQI
6th January 2025
20AQI
7th January 2025
23AQI
8th January 2025
27AQI
9th January 2025
42AQI
10th January 2025
34AQI
11th January 2025
32AQI
12th January 2025
42AQI
13th January 2025
33AQI
14th January 2025
28AQI
15th January 2025
38AQI
16th January 2025
36AQI
17th January 2025
29AQI
18th January 2025
38AQI
19th January 2025
27AQI
20th January 2025
21AQI
21st January 2025
25AQI
22nd January 2025
28AQI
23rd January 2025
40AQI
24th January 2025
42AQI
25th January 2025
40AQI
26th January 2025
44AQI
27th January 2025
36AQI
28th January 2025
34AQI
29th January 2025
39AQI
30th January 2025
37AQI
31st January 2025
26AQI
1st February 2025
25AQI
2nd February 2025
28AQI
3rd February 2025
36AQI
4th February 2025
42AQI
5th February 2025
51AQI
6th February 2025
34AQI
7th February 2025
23AQI
8th February 2025
30AQI
9th February 2025
30AQI
10th February 2025
30AQI
11th February 2025
25AQI
12th February 2025
21AQI
13th February 2025
27AQI
14th February 2025
32AQI
15th February 2025
28AQI
16th February 2025
26AQI
17th February 2025
27AQI
18th February 2025
29AQI
19th February 2025
33AQI
20th February 2025
25AQI
21st February 2025
23AQI
22nd February 2025
35AQI
23rd February 2025
43AQI
24th February 2025
45AQI
25th February 2025
41AQI
26th February 2025
55AQI
27th February 2025
43AQI
28th February 2025
32AQI
1st March 2025
41AQI
2nd March 2025
26AQI
3rd March 2025
33AQI
4th March 2025
43AQI
5th March 2025
29AQI
6th March 2025
27AQI
7th March 2025
31AQI
8th March 2025
31AQI
9th March 2025
26AQI
10th March 2025
29AQI
11th March 2025
36AQI
12th March 2025
49AQI
13th March 2025
47AQI
14th March 2025
42AQI
15th March 2025
32AQI
16th March 2025
38AQI
17th March 2025
18AQI
18th March 2025
27AQI
19th March 2025
39AQI
20th March 2025
21AQI
21st March 2025
25AQI
22nd March 2025
29AQI
23rd March 2025
39AQI
24th March 2025
22AQI
25th March 2025
33AQI
26th March 2025
30AQI
27th March 2025
37AQI
28th March 2025
65AQI
29th March 2025
64AQI
30th March 2025
49AQI
31st March 2025
25AQI
1st April 2025
22AQI
2nd April 2025
32AQI
3rd April 2025
34AQI
4th April 2025
38AQI
5th April 2025
33AQI
6th April 2025
17AQI
7th April 2025
16AQI
8th April 2025
23AQI
9th April 2025
24AQI
10th April 2025
40AQI
11th April 2025
27AQI
12th April 2025
41AQI
13th April 2025
34AQI
14th April 2025
54AQI
15th April 2025
34AQI
16th April 2025
29AQI
17th April 2025
46AQI
18th April 2025
54AQI
19th April 2025
52AQI
20th April 2025
51AQI
21st April 2025
48AQI
22nd April 2025
23AQI
23rd April 2025
30AQI
24th April 2025
33AQI
25th April 2025
43AQI
26th April 2025
29AQI
27th April 2025
29AQI
28th April 2025
39AQI
29th April 2025
50AQI
30th April 2025
53AQI
1st May 2025
42AQI
2nd May 2025
32AQI
3rd May 2025
20AQI
4th May 2025
20AQI
5th May 2025
23AQI
6th May 2025
30AQI
7th May 2025
35AQI
8th May 2025
42AQI
9th May 2025
31AQI
10th May 2025
28AQI
11th May 2025
22AQI
12th May 2025
19AQI
13th May 2025
26AQI
14th May 2025
36AQI
15th May 2025
45AQI
16th May 2025
48AQI
17th May 2025
37AQI
18th May 2025
36AQI
19th May 2025
37AQI
20th May 2025
43AQI
21st May 2025
28AQI
22nd May 2025
20AQI
23rd May 2025
20AQI
24th May 2025
24AQI
25th May 2025
26AQI
26th May 2025
23AQI
27th May 2025
21AQI
28th May 2025
26AQI
29th May 2025
28AQI
30th May 2025
23AQI
31st May 2025
41AQI
1st June 2025
52AQI
2nd June 2025
52AQI
3rd June 2025
63AQI
4th June 2025
66AQI
5th June 2025
51AQI
6th June 2025
46AQI
7th June 2025
43AQI
8th June 2025
29AQI
9th June 2025
36AQI
10th June 2025
38AQI
11th June 2025
59AQI
12th June 2025
57AQI
13th June 2025
36AQI
14th June 2025
29AQI
15th June 2025
29AQI
16th June 2025
33AQI
17th June 2025
26AQI
18th June 2025
30AQI
19th June 2025
26AQI
20th June 2025
32AQI
21st June 2025
40AQI
22nd June 2025
43AQI
23rd June 2025
45AQI
24th June 2025
56AQI
25th June 2025
59AQI
26th June 2025
49AQI
27th June 2025
42AQI
28th June 2025
34AQI
29th June 2025
36AQI
30th June 2025
35AQI
1st July 2025
30AQI
2nd July 2025
31AQI
3rd July 2025
46AQI
4th July 2025
55AQI
5th July 2025
93AQI
6th July 2025
60AQI
7th July 2025
57AQI
8th July 2025
53AQI
9th July 2025
44AQI
10th July 2025
34AQI
11th July 2025
34AQI
12th July 2025
43AQI
13th July 2025
48AQI
14th July 2025
30AQI
15th July 2025
36AQI
16th July 2025
41AQI
17th July 2025
34AQI
18th July 2025
25AQI
19th July 2025
28AQI
20th July 2025
41AQI
21st July 2025
43AQI
22nd July 2025
42AQI
23rd July 2025
38AQI
24th July 2025
47AQI
25th July 2025
34AQI
26th July 2025
26AQI
27th July 2025
24AQI
28th July 2025
35AQI
29th July 2025
38AQI
30th July 2025
45AQI
31st July 2025
47AQI
1st August 2025
45AQI
2nd August 2025
51AQI
3rd August 2025
31AQI
4th August 2025
36AQI
5th August 2025
27AQI

32AQI

33AQI

35AQI

36AQI

30AQI

42AQI

41AQI

38AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202536AQI

31
26
2
29
2
25
5
31
21
9
26
5
4
1
193
24

Highest AQI recorded in

June

42AQI

Lowest AQI recorded in

May

30AQI

202435AQI

29
2
25
4
28
3
30
31
26
3
31
26
5
28
2
25
6
30
31
340
25

Highest AQI recorded in

August

42AQI

Lowest AQI recorded in

January

29AQI

202340AQI

31
25
3
21
10
26
4
25
6
16
14
22
8
1
25
6
24
6
29
2
21
8
27
4
292
71
1

Highest AQI recorded in

June

50AQI

Lowest AQI recorded in

January

30AQI

202239AQI

29
2
18
3
28
3
22
2
24
7
16
13
19
2
1
25
4
25
6
26
4
31
264
46

Highest AQI recorded in

June

50AQI

Lowest AQI recorded in

December

30AQI

202141AQI

26
26
1
25
6
25
5
27
4
27
3
20
11
19
12
24
6
24
7
28
2
27
4
298
61

Highest AQI recorded in

July

48AQI

Lowest AQI recorded in

January

33AQI

202041AQI

11
2
16
4
18
22
8
20
11
29
2
26
4
25
5
19
4
27
4
213
44

Highest AQI recorded in

June

47AQI

Lowest AQI recorded in

March

36AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2020(Avg.)
41AQI
Least Polluted Year Recorded
2024(Avg.)
35AQI

Huntsville's annual 2025 AQI (36) shows an average percentage change of -7.6% (improved AQI) compared to previous years: 2020 (41), 2021 (41), 2022 (39), 2023 (40), 2024 (35).